dpkg-deb


SYNOPSIS
       dpkg-deb [option...] command

DESCRIPTION
       dpkg-deb packs, unpacks and provides information about Debian archives.

       Use dpkg to install and remove packages from your system.

       You  can also invoke dpkg-deb by calling dpkg with whatever options you
       want to pass to dpkg-deb. dpkg will spot that you wanted  dpkg-deb  and
       run it for you.

COMMANDS
       -b, --build directory [archive|directory]
              Creates  a  debian  archive  from  the filesystem tree stored in
              directory. directory must have a DEBIAN subdirectory, which con-
              tains  the  control  information  files such as the control file
              itself. This directory will not appear in the  binary  package's
              filesystem  archive,  but instead the files in it will be put in
              the binary package's control information area.

              Unless you specify --nocheck, dpkg-deb will read  DEBIAN/control
              and parse it. It will check it for syntax errors and other prob-
              lems, and display the name of the binary  package  being  built.
              dpkg-deb  will  also  check  the  permissions  of the maintainer
              scripts and other files found in the DEBIAN control  information
              directory.

              If  no archive is specified then dpkg-deb will write the package
              into the file directory.deb.

              If the archive to be created already exists it will be overwrit-
              ten.

              If  the  second argument is a directory then dpkg-deb will write
              to the file package_version_arch.deb, or package_version.deb  if
              no  Architecture  field  is present in the package control file.
              When a target directory is specified, rather than  a  file,  the
              --nocheck  option  may not be used (since dpkg-deb needs to read
              and parse the package control file to determine  which  filename
              to use).

       -I, --info archive [control-file-name...]
              Provides information about a binary package archive.

              If no control-file-names are specified then it will print a sum-
              mary of the contents of the package as well as its control file.

              If any control-file-names are specified then dpkg-deb will print
              them  in the order they were specified; if any of the components
              weren't present it will print an error message to  stderr  about
              each one and exit with status 2.

              If any are specified then dpkg-deb will print their contents, in
              the order in which they appear in the control file. If more than
              one  control-file-field  is specified then dpkg-deb will precede
              each with its field name (and a colon and space).

              No errors are reported for fields requested but not found.

       -c, --contents archive
              Lists the contents of the filesystem tree archive portion of the
              package  archive.  It is currently produced in the format gener-
              ated by tar's verbose listing.

       -x, --extract archive directory
              Extracts the filesystem tree from a  package  archive  into  the
              specified directory.

              Note  that  extracting  a package to the root directory will not
              result in a correct installation! Use dpkg to install packages.

              directory (but not its parents) will be  created  if  necessary,
              and  its permissions modified to match the contents of the pack-
              age.

       -X, --vextract archive directory
              Is like --extract (-x) with --verbose (-v) which prints a  list-
              ing of the files extracted as it goes.

       -R, --raw-extract archive directory
              Extracts the filesystem tree from a package archive into a spec-
              ified directory, and the control information files into a DEBIAN
              subdirectory of the specified directory.

              The  target  directory  (but not its parents) will be created if
              necessary.

       --fsys-tarfile archive
              Extracts the filesystem tree data  from  a  binary  package  and
              sends  it to standard output in tar format. Together with tar(1)
              this can be used to extract a particular file from a package ar-
              chive.  The input archive will always be processed sequentially.

       -e, --control archive [directory]
              Extracts  the  control  information files from a package archive
              into the specified directory.

              If no directory is specified then a subdirectory DEBIAN  in  the
              current directory is used.

              The  target  directory  (but not its parents) will be created if
              necessary.

       -h, --help
              Show the usage message and exit.

              matting  options  (including escape sequences and field tabbing)
              can be found in the explanation of the  --showformat  option  in
              dpkg-query(1).

              The default for this field is "${Package}\t${Version}\n".

       -zcompress-level
              Specify  which  compression level to use on the compressor back-
              end, when building a package (default is 9 for gzip and bzip2, 6
              for xz and lzma).

       -Zcompress-type
              Specify  which  compression type to use when building a package.
              Allowed values are gzip, xz, bzip2, lzma, and none  (default  is
              gzip).

       --new  Ensures that dpkg-deb builds a `new' format archive. This is the
              default.

       --old  Forces dpkg-deb to build an `old' format archive. This  old  ar-
              chive  format  is  less easily parsed by non-Debian tools and is
              now obsolete; its only use  is  when  building  packages  to  be
              parsed  by versions of dpkg older than 0.93.76 (September 1995),
              which was released as i386 a.out only.

       --nocheck
              Inhibits dpkg-deb --build's usual checks on  the  proposed  con-
              tents of an archive. You can build any archive you want, no mat-
              ter how broken, this way.

       -v, --verbose
              Enables verbose output. This currently  only  affects  --extract
              making it behave like --vextract.

       -D, --debug
              Enables debugging output. This is not very interesting.

ENVIRONMENT
       TMPDIR If set, dpkg-deb will use it as the directory in which to create
              temporary files and directories.

BUGS
       dpkg-deb -I package1.deb package2.deb does the wrong thing.

       There is no authentication on .deb files; in fact, there isn't  even  a
       straightforward checksum.  (Higher level tools like APT support authen-
       ticating .deb packages retrieved from  a  given  repository,  and  most
       packages   nowadays   provide  an  md5sum  control  file  generated  by
       debian/rules. Though this is not directly supported by the lower  level
       tools.)

       Do  not  attempt to use just dpkg-deb to install software! You must use
       dpkg proper to ensure that all the files are correctly placed  and  the
       package's scripts run and its status and contents recorded.

Debian Project                    2011-08-14                       dpkg-deb(1)
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